Known Unknowns Quotes & Sayings

There are known knowns and known unknowns, but what we should be worried about most is the unknown unknowns. — Gary Marcus

Life is one big enigma. If you got to the bottom of it before the end of your lifetime, the rest of your life wouldn't be worth living, now would it? Where's the excitement in an existence with all the unknowns known? — Elle Casey

When you start talking about the known knowns and the unknown unknowns, you're thrown into a crazy meta-level discussion. Do I know what I know, do I know what I don't know, do I know what I don't know I don't know. It becomes a strange, Lewis Carroll - like nursery rhyme. — Errol Morris

There is no greater mystery than a love interest when you first met them - so much to learn and so many unknowns. What's her favorite food? What's she into? All the things that would eventually be made known in a relationship. — David Bowick

For a found-footage-style movie, there's a definite advantage in using unknowns, because it helps sell the illusion that it's real. A known actor would get in the way of the suspension of disbelief. — Oren Peli

It makes me self-conscious. It's because I'm known, in the limelight, that it's getting all the gravy, but if you knew, if you saw some of the people who make it possible for UNICEF to help these children survive. These are the people who do the jobs-the unknowns, whose names you will never know ... I at least get a dollar a year, but they don't. — Audrey Hepburn

There are many unknowns in life. This is patently clear again and again when we face vocational transitions. We cannot see around the bend in the road. We make decisions about our lives with implications for the lives of those we love and those for whom we have some responsibilities, and there are so many unknown variables. But there is one key variable that can be a known factor in our lives: The LORD will keep your going out and your coming in from this time on and forevermore. (Ps 121:8) On this we can depend. It will be the same now and for each transition of our lives. If we believe this, it will be evident because fear will no longer co-opt our lives. — Gordon T. Smith

a world of known risk, in short, risk (Figure 2-3, center). I use this term for a world where all alternatives, consequences, and probabilities are known. Lotteries and games of chance are examples. Most of the time, however, we live in a changing world where some of these are unknown: where we face unknown risks, or uncertainty (Figure 2-3, right). The world of uncertainty is huge compared to that of risk. Whom to marry? Whom to trust? What to do with the rest of one's life? In an uncertain world, it is impossible to determine the optimal course of action by calculating the exact risks. We have to deal with "unknown unknowns." Surprises happen. Even when calculation does not provide a clear answer, however, we have to make decisions. — Gerd Gigerenzer

For everything that's known about Lyme disease, there are still an extraordinary number of unknowns in some fairly fundamental areas. — Vanessa Farnsworth

The two Great Unknowns, the two Illustrious Conjecturabilities! They are the best known unknown persons that have ever drawn breath upon the planet. — Mark Twain

There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we don't know. But there are also unknown unknowns. There are things we don't know we don't know. — Donald Rumsfeld

Reports that say that something hasn't happened are always interesting to me, because as we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns- the ones we don't know we don't know. — Donald Rumsfeld

There are known knowns, things we know that we know; and there are known unknowns, things that we know we don't know. But there are also unknown unknowns, things we do not know we don't know. — Donald Rumsfeld